Structure of PDB 6b63 Chain B Binding Site BS05

Receptor Information

>6b63 Chain B (length=252) Species: 224325 (Archaeoglobus fulgidus DSM 4304)

MDERDALRISREIAGEVRKAIASMPLRERVKDVGMGKDGTPTKAADRVAE
DAALEILRKERVTVVTEESGVLGEGDVFVALDPLDGTFNATRGIPVYSVS
LCFSYSDKLKDAFFGYVYNLATGDEYYADSSGAYRNGERIEVSDAEELYC
NAIIYYPDRKFPFKRMRIFGSAATELCFFADGSFDCFLDIRPGKMLRIYD
AAAGVFIAEKAGGKVTELDGESLGNKKFDMQERLNIVAANEKLHPKLLEL
IK

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 6b63 Chain B Residue 303

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6b63 Osmolyte binding capacity of a dual action IMPase/FBPase (AF2372)
• Resolution: 2.696 Å
• Binding residue (original residue number in PDB): E67 D82 L84
• Binding residue (residue number reindexed from 1): E67 D82 L84
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): E67 D82 L84 D85 T87 D200
• Catalytic site (residue number reindexed from 1): E67 D82 L84 D85 T87 D200
• Enzyme Commision number: 3.1.3.11: fructose-bisphosphatase.
  3.1.3.25: inositol-phosphate phosphatase.

Gene Ontology

Molecular Function

• GO:0008934 inositol monophosphate 1-phosphatase activity
• GO:0016787 hydrolase activity
• GO:0042132 fructose 1,6-bisphosphate 1-phosphatase activity
• GO:0046872 metal ion binding
• GO:0052832 inositol monophosphate 3-phosphatase activity
• GO:0052833 inositol monophosphate 4-phosphatase activity
• GO:0052834 inositol monophosphate phosphatase activity

Biological Process

• GO:0006020 inositol metabolic process
• GO:0007165 signal transduction
• GO:0046854 phosphatidylinositol phosphate biosynthetic process

External links

• PDB: RCSB:6b63, PDBe:6b63, PDBj:6b63
• PDBsum: 6b63
• UniProt: O30298|BSUHB_ARCFU Fructose-1,6-bisphosphatase/inositol-1-monophosphatase (Gene Name=suhB)